Photomicrographs of sand
TaranakiBlackSand_2.5x_combined-1zj6whu
Black sand from the northern Taranaki coastline, New Zealand. Rich in magnetite, this sand also contains olivine, pyroxene, amphiboles, volcanic rock fragments, and a number of mystery grains. Width of view is ~5mm.
IcelandWhitSand_2.5x_modified-23bzpb9
Bioclastic sand from Iceland. Dark grains are volcanic rock fragments. Foram in center of photo. Width of view is ~5mm.
MalibuCreek_2.5x_combined-uzy770
Volcanic lithic sand from Malibu Creek, California. Width of view is ~5mm.
SaudiWhiteSand_2.5_combined-1zx9d9n
Quartzose dune sand from Saudi Arabia. Identify of blue grain is unknown – possibly a sapphire?. Width of view is ~5mm.
SCD-01_2.5x_combined-27zy0wa
Quartz and feldspar sand of coastal California sand dunes. Width of view is ~5mm.
Cozumel_2.5x_2_merged-228lmgr
Bioclastic sand (coral fragments?) from Cozumel, Mexico (courtesy Teresa Cornett). Width of view ~5mm.
Pfieffer_03_2.5x_merged-264zni4
Pink garnet sand from Pfeiffer Beach, Big Sur coastline, California. Width of view ~5mm.
Pfeifer_04_5x_merged-1486ysx
Pink garnet sand from Pfeiffer Beach, Big Sur coastline, California. Width of view ~2.5mm.
SD0010_02_5x-1du4ru2
Garnet and illmenite(?) sand from the west coast of New Zealand’s South Island (courtesy Cooper McCabe)
SD0014_01_2.5x-1scplbi
Alpine sand from Lake Garda, Italy (courtesy Billie Niznik)
SD0007_05_5x_wHDR-19geho4
Quartz and shell fragments from Jeffrey’s Bay, South Africa (courtesy Debbie Brewer)
SD0009_02_5x-247ztba
Quartz sand from Isle of Palms South Carolina (courtesy Kelly Pyle)
DeadSea_02_5x-1bw54tl
Heterogeneous sand from the Dead Sea, Israel (courtesy Amy Bell)
DeadSea_01_2.5x-1c6bm0q
Heterogeneous sand from the Dead Sea, Israel (courtesy Amy Bell)
SD0007_04_5x-z6mv36
Quartz and shell fragments from Jeffrey’s Bay, South Africa (courtesy Debbie Brewer)
SD0001_02_5x-t9e054
Quartz sand from Coral Sand Dunes State Park, Arizona
Spring 2018 Trip to Southern Utah & Northern Arizona – Triassic-Jurassic Moenave Formation
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Moenave!
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Mudcracks in the Dinosaur Canyon Member
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Celina has the courage to climb to the very top
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Finally made it on top!
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The final 0.5 miles of the hike involved some serious scrambling with the help of a chain anchored to the rock
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Another shot on the Angel’s Landing hike
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On our way up to hike Angel’s Landing
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Huge eolian cross-sets in the Navajo Sandstone
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Sacrificial Peak from the Zion National Park research campground
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Night time shot from our campground
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Climbing ripples
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Asher collecting a detrital zircon sample in Blacks Canyon
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Convoluted bedding
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Wonderful sedimentary structures in the Dinosaur Canyon Member
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Dinosaur claw imprint!
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Well-exposed sandstone beds within the upper Dinosaur Canyon Member at Olson Canyon
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Celina is pointing out the Chinle-Moenave contact
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The Dinosaur Canyon Member at Olson Canyon
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The team at Willow Springs, Arizona
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Climbing ripples in silty facies of the Dinosaur Canyon Member of the Moenave Formation
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The rain cleared just in time for a great sunset and rainbow over cliffs of Navajo Sandstone
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Asher just inside the boundary of Zion National Park (yes, we have a permit)